Issues when pointing to current directory

[william8th]

When I run the command:
javadocset 'Apache Commons Lang3' ./ while in the Apache Commons Lang3 directory, an error occurred:

INFO[01-16|10:52:53] Running with arguments                   docsetName="Apache Commons Lang3" javadocPath=.
INFO[01-16|10:52:53] Removing existing docset directory       Docset directory path="Apache Commons Lang3.docset"
INFO[01-16|10:52:53] Creating docset folder structure... 
INFO[01-16|10:52:53] Done! 
INFO[01-16|10:52:53] Copying files...                         source=. destination="Apache Commons Lang3.docset/Contents/Resources/Documents"
EROR[01-16|10:52:53] Unable to create directory               directory=docset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents/Resources/Documentsdocset/Contents